Panasonic EY6813-U1 Serveice Manual page 7

4.2. CHECK POINTS FOR MECHANISM BLOCK.
< TROUBLE >
Does not hammer
or weakness of
hammering.
Does not drill.
Does not change
the speed.
<CHECK INTERMEDIATE SHAFT ASSEMBLY.>
→ Check the wear condition of the change clutch and spring.
<CHECK RECIPROCATION BEARING.>
Check the smooth action between reciprocation bearing
and universal coupling.
<CHECK PISTON AND HAMMER BLOCK.>
Check the wear condition of inside of piston and hammer
O-ring.
<CHECK STRIKER.>
Check the smooth action of striker.
<CHECK INTERMEDIATE SHAFT ASSEMBLY.>
Check the wear condition on tooth for change gears.
<CHECK BEARING.>
→ Check the condition of bearing for H/D handle.
<CHECK O-RING.>
Check the wear condition for O-rings assembled with
striker.
<CHECK RECIPROCATION BEARING.>
Confirm the coming and going operation when rotating the
intermediate shaft with DRILL mode.
It is OK if the reciprocation bearing does not operate.
<CHECK STRIKER.>
Check the smooth action of striker.
<CHECK BEARING.>
→ Check the condition of bearing for H/S handle.
<CHECK INTERMEDIATE SHAFT ASSEMBLY.>
Check the wear condition for both change gear "H" and "S".
< CHECK >
↓OK
↓OK
↓OK
↓OK
↓OK
↓OK
↓OK
↓OK
7
< REMEDY >
NO Replace
→
intermediate
shaft assembly.
NO Replace universal
→ coupling.
NO Replace piston
→ assembly and
greasing.
NO Replace spindle
→
assembly.
NO Replace
→ intermediate shaft
assembly.
NO Replace H/D
→ handle.
NO Replace spindle
→
assembly.
NO Replace
→ intermediate shaft
assembly.
NO Replace spindle
→
assembly.
NO Replace H/S
→ handle.
NO Replace
→
intermediate shaft
assembly.
EY6813-U1